Denial of service in BIG-IP SSL Forward Proxy



Published: 2022-01-20
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-23016
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
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BIG-IP
Hardware solutions / Firmware

Vendor F5 Networks, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU59897

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23016

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dreference error in when processing TLS 1.3 traffic in BIG-IP SSL Forward Proxy. A remote attacker can send specially crafted packets to the affected device and cause the Traffic Management Microkernel (TMM) to terminate.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BIG-IP: 15.1.0 - 16.1.1


CPE2.3 External links

http://support.f5.com/csp/article/K91013510

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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